GPT-6 Astra is OpenAI's most capable model for complex reasoning, coding, computer use, research, and document creation.
Models
Every model in the catalog with source-linked pricing, context limits, provider availability, and published benchmark results.
Claude model for demanding reasoning and long-horizon agentic work
Strongest Claude Opus model for coding, agents, and professional work
Fast Gemini model balancing multimodal reasoning, tool use, and cost
Fast Gemini model balancing multimodal reasoning, tool use, and cost
Balanced GPT-5.6 model for capable, cost-efficient everyday work
Cost-efficient GPT-5.6 model for fast, high-volume workloads
Frontier GPT-5.6 model for complex professional work, coding, and agentic workflows
Everyday Claude agent model for coding, planning, browsing, and general work
Claude model for creative writing, analysis, and controlled agent workflows
Top Claude Opus tier for the hardest reasoning, coding, and long-horizon agents
Fast Gemini model balancing multimodal reasoning, tool use, and cost
Highest-accuracy GPT-5.5 tier for slower, precision-heavy reasoning and coding
Default frontier GPT for coding, computer use, research, and knowledge work
Stronger Opus tier for advanced software work and high-stakes reasoning
Agent-ready GPT for coding and computer-use workflows at a lower cost
Low-latency Gemini model for high-volume multimodal and agent workloads
Advanced Gemini model for complex reasoning, coding, and multimodal analysis
Claude workhorse for coding agents, careful analysis, and production cost control
Coding-optimized GPT model for repository edits, reviews, and agentic software work
High-end Claude for difficult coding, planning, and slower expert reasoning
New Gemini flash lane bringing frontier-style multimodal reasoning to cheaper runs
Code-specialist GPT for repository edits, reviews, and long-running software agents
Flagship Claude model for deep reasoning, coding, and long-horizon agents
Preview Gemini flagship for complex reasoning, coding, and rich multimodal prompts
Fast Claude lane for lightweight agents, office tasks, and responsive chat
Balanced Claude model for coding, analysis, agent workflows, and cost control
Balanced Claude model for coding, analysis, agent workflows, and cost control
Flagship Claude model for deep reasoning, coding, and long-horizon agents
Google's proven reasoning model for coding, math, and multimodal analysis
Fast Gemini workhorse for multimodal apps where latency and price matter
| Model | Creator | Inputs | Context | Input | Output | Released | Compare |
|---|---|---|---|---|---|---|---|
| GPT-6 Astraopenai/gpt-6-astra | 1.05M | $10 | $50 | 2026-09-04 | |||
| Claude Fable 5.1anthropic/claude-fable-5-1 | 1M | $10 | $50 | 2026-09-01 | |||
| Claude Opus 5anthropic/claude-opus-5 | 1M | $5 | $25 | 2026-07-24 | |||
| Gemini 3.5 Flash Litegoogle/gemini-3.5-flash-lite | 1.04858M | $0.3 | $2.5 | 2026-07-21 | |||
| Gemini 3.6 Flashgoogle/gemini-3.6-flash | 1.04858M | $0.75 | $3.75 | 2026-07-21 | |||
| GPT-5.6 Terraopenai/gpt-5.6-terra | 1.05M | $2 | $12 | 2026-07-09 | |||
| GPT-5.6 Lunaopenai/gpt-5.6-luna | 1.05M | $0.2 | $1.2 | 2026-07-09 | |||
| GPT-5.6 Solopenai/gpt-5.6-sol | 1.05M | $4 | $20 | 2026-07-09 | |||
| Claude Sonnet 5anthropic/claude-sonnet-5 | 1M | $2 | $10 | 2026-06-30 | |||
| Claude Fable 5anthropic/claude-fable-5 | 1M | $10 | $50 | 2026-06-09 | |||
| Claude Opus 4.8anthropic/claude-opus-4-8 | 1M | $5 | $25 | 2026-05-28 | |||
| Gemini 3.5 Flashgoogle/gemini-3.5-flash | 1.04858M | $1.5 | $9 | 2026-05-19 | |||
| GPT-5.5 Proopenai/gpt-5.5-pro | 1.05M | $30 | $180 | 2026-04-23 | |||
| GPT-5.5openai/gpt-5.5 | 1.05M | $5 | $30 | 2026-04-23 | |||
| Claude Opus 4.7anthropic/claude-opus-4-7 | 1M | $5 | $25 | 2026-04-16 | |||
| GPT-5.4openai/gpt-5.4 | 1.05M | $2.5 | $15 | 2026-03-05 | |||
| Gemini 3.1 Flash Lite Previewgoogle/gemini-3.1-flash-lite-preview | 1.04858M | $0.25 | $1.5 | 2026-03-03 | |||
| Gemini 3.1 Pro Preview Custom Toolsgoogle/gemini-3.1-pro-preview-customtools | 1.04858M | $2 | $12 | 2026-02-19 | |||
| Claude Sonnet 4.6anthropic/claude-sonnet-4-6 | 1M | $3 | $15 | 2026-02-17 | |||
| GPT-5.3 Codexopenai/gpt-5.3-codex | 400K | $1.75 | $14 | 2026-02-05 | |||
| Claude Opus 4.6anthropic/claude-opus-4-6 | 1M | $5 | $25 | 2026-02-05 | |||
| Gemini 3 Flash Previewgoogle/gemini-3-flash-preview | 1.04858M | $0.5 | $3 | 2025-12-17 | |||
| GPT-5.2 Codexopenai/gpt-5.2-codex | 400K | $0.14 | $1.14 | 2025-12-11 | |||
| Claude Opus 4.5 (latest)anthropic/claude-opus-4-5 | 200K | $5 | $25 | 2025-11-24 | |||
| Gemini 3 Pro Previewgoogle/gemini-3-pro-preview | 1.04858M | $0.57 | $3.43 | 2025-11-18 | |||
| Claude Haiku 4.5 (latest)anthropic/claude-haiku-4-5 | 200K | $1 | $5 | 2025-10-15 | |||
| Claude Sonnet 4.5 (latest)anthropic/claude-sonnet-4-5 | 200K | $3 | $15 | 2025-09-29 | |||
| Claude Sonnet 4.5anthropic/claude-sonnet-4-5-20250929 | 200K | $3 | $15 | 2025-09-29 | |||
| Claude Opus 4.1 (latest)anthropic/claude-opus-4-1 | 200K | $15 | $75 | 2025-08-05 | |||
| Gemini 2.5 Progoogle/gemini-2.5-pro | 1.04858M | $1.25 | $10 | 2025-06-17 | |||
| Gemini 2.5 Flashgoogle/gemini-2.5-flash | 1.04858M | $0.3 | $2.5 | 2025-06-17 |